Locomotive-engine lubricator.



W. M. SMITH,

LOGOMOTIVE ENGINE LUBRICATOR.

APPLICATION FILED JAN. 23. 1905.

PATENTED NOV. 28, 1905.

a sums-sum 1 W. M. SMITH.

LOCOMOTIVE ENGINE LUBRIGATOR. APPLICATION FILED IAN. 23, 1905.

' 3 SHEETS-SHEET 2.

' PATENTED NOV. 28, 1905.

PATENTEDQ NOV. 28, 1905.

No; 806,014. I

JWV.M.SMITH.Y LOGOMOTIVE ENGINE LUBRIOATOR.

APPLIGATIOR FILED JAIL 23.1905.

3 SHEETS-SHEET 3.

' UNITED sTAT s A PATENT OFFICE- WALTER-MAcKERsIE SMITH, OFNEwcAsTLE-UPoN- YNE, ENGLAND.

' LOOOMOTlVE-ENGINE ,LUBRICATOR.

Specification of Letters Patent.

Patented Nov. 28, 1905.

Application filed January 23, 1905 SerialNo- 242,366.

To all whom it may concern:

vision has been made for the admission of air or steam or air and steamto the cylinders,

usually through the steam-chests.

for also admitting lubricant to the cylinders Now this inventionhasreference to means of locomotive-engines when they are running withsteam shut 011, and according thereto a locomotive-engine is providedwith a chamber-or vessel containing lubricant under a pressure abovethat in the engine-cylinders is working under steam the pressure of thesteam will prevent the passage of lubricant from the containing-chamberto the cylinders and of steam to the lubrican t-containing chamof avalve adapted to admit air and steam to running the steam-chest when theengine is with steam shut oif.

In the accompanying drawings, Figure 1 is a plan; Fig. 2, a verticalsection on the line A A, Fig. 1; and Fig. 3, an elevation of oneconstruction of apparatus for admitting air, steam, and lubricant. Fig.4=is a sectional view illustrating the application of the apparatusshown in Figs. 1, 2, and 3 to thesteam-chest of a locomotive. Fig. '5illustrates a modified construction of lubricant-containing chamber,which may be placed in any convenient position and connected to thesteam-space of an automatic air and steam valve of known kind.

Referring to Figs. 1, 2, and 3, ais a valve sliding in an opening in acasing b, the interior of'which communicates by a branch 0 with thesteam-space 20 of the steam-chest 21 of the locomotive. (See Fig. 4.)The valve a, which closes on a seat d, is subjecton its outer side tothe pressure of the atmosphere and on its inner side to thesame'pressure that exists for the time being in the steam-chest. Thestem 6 of the valve 0; slides in a guide e, which is in line with asteaminlet passage f, connected by a passage f to the steam-space of theboiler. g is a valve "closing ona seat at h and extending almost intocontact with the end of the valve-stem e.

When the valve 9 is opened, steam passes through the passage f andnozzle c' into the branch 0. Connected with the nozzle 7; throughpassages l, 2, 3, and 4 is a lubricantcontaining chamber 5. v Thepassage 4 connects with the bottom of an upwardly-extending open-endedtube =6 within the chamber 5, 'into which lubricant is siphoned by awick 6. The Wick, however,may bedispensed with and a hole made throughthe lower part of the wall of the tube-6, so as to form a communicationbetween it and the'bottom of the chamber 5, the passage-way therethroughbeing regulated by aconical pointed set-screw that extends to theexterior of the chamber 5;

The'chamber 5 is closedby a cap 7, through which is an opening 8 toallow atmospheric pressure to act upon the lubricant. 9 is a non-returnvalve which closes on a seat 10 at the end of the passage 3. 1'1 and 12are screwcaps for enabling the valves. g and 9 to be got at.

When the pressure in the steam-chest becomes less than the atmosphericpressure, owing to the regulator being shut while the engine is running,the'air-valve a will open, admitting air, and will force from its seatthe steam-valve g, which will allow steam from the boiler to passthrough the passages f and f into the nozzle 7.. At the same time thelubricant contained in thetube 6 within the chamber 5 will be forced bythe pressure of the atmosphere, to which itis exposed,th rough thepassages 4: and 3 past the valve 9, which willbe'lifted from its seat,and thence through the passages 2 and 1 into the nozzle c',i.where itwill mix with the steam. The lubricant when mixed with the air and steamis converted into spray of increased volume, which is deposited on anincreased area of the working surfaces of the engine-cylinders. Whensteam is admitted to the steam-chest by the opening of the regulator,the valve 9 prevents steam passing into the chamber 5' and is kept shutby the steam in'the steamrchest.

'Referring to Fig. 5,.thecch-amber 5, c on v taining the lubricant, maybe placed in any convenient position and connected by a pipe 13 andsuitable couplings to an automatic air and steam admission valve such asis shown in Figs. 1, 2, and 3. At the bottom of the chamber 5 is anotherchamber 14, a connection between the chambers 5 and 14 being formed bythe openings 15 and 16, the feed through which is regulated by aconical-pointed set-screw 17 In the stem 18 of the chamber 5 are formedthe passages 2, 3, and'4, which connect the chambers 5 and 14 with thepipe 13, and consequently with the steam nozzle or space of the air orsteam valve. (Not shown.) The pipe 6 insures the lubricant in thechamber 15 being subject to atmospheric pressure, and when the enginecontinues to run after the steam-regulator has been closed the lubricantthat has passed the set-screw 17 into the chamber'14 is forced by thepressure of the atmosphere through the passages 52 and 3, is caused tolift the valve 9 from its seat, and after passing the valve 9 flowsthrough the passage 4 and pipe 13 to the air and steam valve, where itmixes with the steam and air and afterward passes in the form of sprayin the direction of the surfaces that require to be lubricated.

The chamber 14 is of such a capacity as to contain a definite quantityof lubricant sufiicient to efli'ciently lubricate the working surfaces.By means of the chamber 14 a supply of lubricant is stored, and whensteam is shut off by the regulator the lubricant passes quickly and atthe right time through the air and steam valve to the working surfaces.The speed of the feed of the lubricant is regulated by the lift of thevalve 9. When the supply contained in the chamber 14 is exhausted, thespeed of the feed is reduced in accordance with regulated position ofthe conicalpointed set-screw 17 in relation to the opening 15.

The illustrated arrangements above described are examples of how thisinvention may be carried out, and in this connection it is to be notedthat air without steam may be admitted to the steam-chest in conjunctionwith the lubricant, though it is preferred to admit air, steam, andlubricant, because the moisture in the steam increases the efficiency ofthe lubricant. Moreover, lubrieators of other forms than thoseillustrated may be used.

What I claim is 1. In a locomotive-engine, the combination with aworking cylinder, of a chamber adapted to contain lubricant under apressure above that in the working cylinder when the locomotive isrunning with steam shut off, there being a communication between saidcylinder and chamber, means adapted to permit the admission of steam tothe cylinder when the pressure therein is below atmospheric pressure andmeans so arranged that the placing of the locomotive under steam willprevent lubricant passing to the cylinder and cut off said chamber fromall communication with the steam-supply, as set forth.

2. In a locomotive-engine, the combination with a working cylinder, of achamber adapted to contain lubricant under a pressure above that in theworking cylinder when the locomotive is running with steam shut off,there being a communication between said cylinder and chamber, meansadapted to permit the admission of steam to the cylinder when thepressure therein is below atmospheric pressure and in said communicationa non-return valve adapted when the locomotive is placed under steam tocut off said chamber from all communication with the steam-supply, asset forth.

3. In a locomotive-engine, the combination with a working cylinder, of achamber adapted to contain lubricant under a pressure above that in theworking cylinder when the locomotiveis running with steam shut off, acommunication between said cylinder and chamber, a valve adapted toadmit air to the cylinder when the pressure therein is below atmosphericpressure, and means so arranged that the placing of the locomotive understeam will prevent lubricant passing to the cylinder and steam to thechamber, as set forth.

4. In a locomotive-engine, the combination witha working cylinder, ofachambcr adapted to contain lubricant under a pressure above that in theworking cylinder when the locomotive is running with steam shut ofl,there being a communication between said cylinder and chamber, a valveadapted to admit air and a valve adapted to admit steam to the cylin- Iand steam to the chamber, as set forth.

5. In a locomotive-engine, the combination with a working cylinder, of achamber adapted to'contain lubricant under a pressure above that in theworking cylinder when the locomotive is running with steam shut off,there being a communication between said cylinder and chamber, anon-return valve in said communication, a separate communication betweenthe atmosphere and said cylinder, and a valve adapted to admit airthrough said separate communication to the cylinder when the pressuretherein is below atmospheric pressure, as set forth.

6. In a locomotive-engine, the combination with a working cylinder, of achamber adapted to contain lubricant under a pressure above that in theworking cylinder when the locomotive is running with steam shut off,there being a communication between said cylinder and chamber, a valveadapted to admit air and a valve adapted to admit steam to the cylinlIOder when the pressure therein is below atmospheric pressure, and anon-return valve-in said ed to contain lubricant under a pressure abovethat in the cylinder when the locomotive is running with steam shut off,a casing under the same pressure, means adapted to permit thetransference of'lubricant from the said chamber to said casing, therebeing a communication between said casing and the working cylinder,means adapted to permit the admission of steam to the cylinder when. thepressure therein is below atmospheric pressure, and in saidcommunication a non-return valve adapted when the locomotive is placedunder steam to cut off said chamber from all communication with thesteam-supply, as set forth.

8. In a locomotive-engine, the combination with a working cylinder, of achamber adapted to contain lubricant under a pressure above that in thecylinderiwhen the locomotive is running with steam shut off,"a casingunder the same pressure, means adapted to permit the transference oflubricant from the said chamber to said casing, there being acommunication between said casing and the working cylinder, a valveadapted to admit air to the cylinder when the pressure therein is belowatmospheric pressure, and a non-return valve in said communication, assetforth.

9. In a locomotive-engine, the combination with a working cylinder, of achamber adapted to contain lubricant undera pressure above that in thecylinder when the locomotive is running with steamshut off, 'a casingunder the same pressure, means adapted to permit the transference oflubricant from the said chamber to said casing, there being acommunication between said casing and the working cylinder, a valveadapted to admit air and a valve adapted to admit steam to the cylinderwhen the pressure therein isbelow atmospheric pressure, and a non-returnvalve in said communication, as set forth.

10. Means'for supplying lubricant to the cylinders of locomotive-engineswhen running with steam shut off comprising a casing adapted to beplaced in communication with the working cylinders, an air inletthereto, an

' air-valve controlling said inlet, a steam-inlet thereto, a steam-valvecontrolling said inlet, and adapted to be opened by the opening of theairvalve,'a lubricant-containing chamber in 7 communication withtheatmosphere, there being a communication between said chamber and theinterior of said casing and a nonreturn valve adapted to preventlubricant passing to the cylinder or steam to the chamber when thelocomotive is placed under steam, as set forth.

11. Means for supplying lubricant to the cylinders of locomotive-engineswhen running with steam shut off comprising a casing adapted to beplaced in communication with the steam-chest of an engine, there beingan airinlet thereto and a steam-inlet, an air-valve.

controllingsaid air-inlet, a steam valve controlling said steam-inletand adapted to be opened by the opening of the air-valve, av

nozzle within the casing and terminating the steam-inlet, alubricant-containing chamber in communication with the atmosphere, acommunication between said chamber and the said nozzle, and a non-returnvalve adapted to prevent lubricant passing to the cylinder or steam tothe chamber when the locomotive is placed under steam as set forth.

Signed at Grateshead, in the county of Durham, this 3d day of January,1905.

WALTER MAOKERSIE SMITH. Witnesses: v

Gr. HEPPELL, R. J. RoBsoN.

